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ANSYS - Explosives Problem

ANSYS - Explosives Problem

ANSYS - Explosives Problem

(OP)
Good day

I have an RPG cut into quarters. I am only considering one quarter and will be utilising cyclic symmetry.
Now, the Euler domain I have set-up will not work properly. I auto suppresses part of the explosive for some reason and I do not know how to resolve it.

Does anyone know what the ExplicitDynamics->Analysis Settings->Euler Domain Controls regarding the lower and upper faces do? They have 3 settings : Flow out, Impedance and Rigid.

If anyone could direct me to source explaining the use of Explosions in ANSYS mechanical Explicit Dynamics, I would be truly greatful.

Thank you

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